SB2021031807 - Information disclosure in x25_bind() in Linux kernel
Published: March 18, 2021
Security Bulletin ID
SB2021031807
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2020-35519)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the x25_bind() function in net/x25/af_x25.c in the Linux kernel. A local user can run a specially crafted program to read contents of memory on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.